. >> gosney wanted to leave as soon as he arrived but couldn't until a california congressman, leo ryan, came to guyana in the fall of '78 on a one-man investigative mission. >> i had decided i was going to pass a note asking for help to escape. >> by that next afternoon, as gosney dragged his trunk towards a departing truck, more than a dozen others had decided to go. >> i thought i was going to die at any moment. i never thought that i would ever be permitted to leave. >> when the group reached the small airport nearby, gunmen opened fire. >> there was blood everywhere, and i thought i'm dying and then i blacked out. >> that same day, gerald parks, seen here in the blue and white shirt, talking with jim jones, sensed it was his last chance to get his family out. >> you can feel death in the air. you can actually feel it. >> the parks family asked to fly back with congressman ryan's group. >> and i told him who i was and i said we've been held prisoner here. >> at the airport, a tractor pulled a farm wagon up alongside their plane. >> about five or six guys stood up and pulled their gu